1201475149289 has 2 divisors, whose sum is σ = 1201475149290. Its totient is φ = 1201475149288.

The previous prime is 1201475149223. The next prime is 1201475149351. The reversal of 1201475149289 is 9829415741021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192481472064 + 8993677225 = 1092008^2 + 94835^2 .

It is an emirp because it is prime and its reverse (9829415741021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201475149289 - 2³² = 1197180181993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201475149289.

It is not a weakly prime, because it can be changed into another prime (1201475149489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600737574644 + 600737574645.

It is an arithmetic number, because the mean of its divisors is an integer number (600737574645).

Almost surely, 2^{1201475149289} is an apocalyptic number.

It is an amenable number.

1201475149289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201475149289 is an equidigital number, since it uses as much as digits as its factorization.

1201475149289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 1201475149289 in words is "one trillion, two hundred one billion, four hundred seventy-five million, one hundred forty-nine thousand, two hundred eighty-nine".